From the reference libraryFiveM

AUDIO Natives

natives/AUDIO/0xA8638BE228D4751A.md

AUDIO Natives

UNREGISTER_SCRIPT_WITH_AUDIO

Property Value
Native Name UNREGISTER_SCRIPT_WITH_AUDIO
Hash 0xA8638BE228D4751A
Return Type void

Description: This native does absolutely nothing, just a nullsub

On last-gen this just runs blr and this func is called by several other functions other then the native's table.  
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